package ReflectClassDemo;

class Student{
    //私有属性name
    private String name = "Ming";
    //公有属性age
    public int age = 18;
    //不带参数的构造方法
    public Student(){
        System.out.println("Student()");
    }
    private Student(String name,int age) {
        this.name = name;
        this.age = age;
        System.out.println("Student(String,name)");
    }
    private void eat(){
        System.out.println("i am eat");
    }
    public void sleep(){
        System.out.println("i am pig");
    }
    private void function(String str) {
        System.out.println(str);
    }
    @Override
    public String toString() {
        return "Student{" + "name='" + name + '\'' + ", age=" + age + '}';
    }
}
public class Test {
    public static void main(String[] args) {
        Student student = new Student();
        //1.通过 对象.getClass获取Class对象
        Class<?> c1 = student.getClass();
        //2.直接通过 类名.class 的方式得到,该方法最为安全可靠，程序性能更高 这说明任何一个类都有一个隐含的静态成员变量 class
        Class<?> c2 = Student.class;
        //3.通过类的完整路径获取
        Class<?> c3 = null;
        try {//注意这里是类的全路径，如果有包需要加包的路径
            c3 = Class.forName("Student");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        System.out.println(c1.equals(c2));
        System.out.println(c1.equals(c3));
        System.out.println(c2.equals(c3));

    }
}
